|  instigator 
 
 1. someone who deliberately foments trouble
 - she was the instigator of their quarrel
 • Syn:
 provoker, inciter, instigant, firebrand
 • Derivationally related forms:
 instigate (for: instigant), incite (for: inciter), provoke (for: provoker), instigate
 • Hypernyms:
 troublemaker, trouble maker, troubler, mischief-maker, bad hat
 • Hyponyms:
 ringleader
 2. a person who initiates a course of action
 • Syn:
 initiator
 • Derivationally related forms:
 initiate (for: initiator), instigate
 • Hypernyms:
 leader
 • Hyponyms:
 aggressor
 
 
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